GetlineIterator.h

#ifndef _theplu_yat_utility_getline_iterator_
#define _theplu_yat_utility_getline_iterator_

// $Id: GetlineIterator.h 1881 2009-03-28 22:15:26Z peter $

/*
  Copyright (C) 2009 Peter Johansson

  This file is part of the yat library, http://dev.thep.lu.se/yat

  The yat library is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License as
  published by the Free Software Foundation; either version 3 of the
  License, or (at your option) any later version.

  The yat library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with yat. If not, see <http://www.gnu.org/licenses/>.
*/

#include <boost/iterator/iterator_facade.hpp>

#include <iterator>
#include <string>

namespace theplu {
namespace yat {
namespace utility {

  class GetlineIterator
    : public boost::iterator_facade<
    GetlineIterator, const std::string, std::input_iterator_tag
    >
  {
  public:
    GetlineIterator(void);

    GetlineIterator(std::istream& is, char delimiter='\n');

  private:
    friend class boost::iterator_core_access;

    char delimiter_;
    std::istream* istream_;
    std::string line_;

    GetlineIterator::reference dereference(void) const; 

    bool equal(const GetlineIterator& other) const;

    void increment(void); 

    // Using compiler generated copy
    //GetlineIterator(const GetlineIterator&);
    //GetlineIterator& operator=(const GetlineIterator&);
  };

}}} // of namespace utility, yat, and theplu

#endif